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Single Family ResidenceResidential
$259,098$187 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

643 ALEXANDER AVE

MONACA, PA 15061
3
Beds
2
Baths
1,386 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$259K
$233K low$285K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,873 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$111,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$94,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$111,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$223,400

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
85
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
31
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyBeaver
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 75 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Central Valley Middle SchoolC
Middle · Grades 6–8 · 0.5 mi
H
Central Valley High SchoolA-
High · Grades 9–12 · 1.9 mi
E
Center Grange Primary School
Elementary · Grades KG–2 · 2.5 mi

District: Central Valley School District

Neighborhood · ZIP 15061These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.13,125
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.709 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,980
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,137
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.38 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.45%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

643 Alexander Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 69% of homes in Monaca 15061
  • Costs more per square foot than 71% of homes in Monaca 15061
  • Has a smaller lot than 73% of homes in Monaca 15061
  • Newer than 71% of homes in Beaver County

What homes are worth in Monaca 15061

Each bar is how many homes fall in that price range. The marker is this home.

This home
$76K$513K

This home is worth more than 69% of homes in Monaca 15061.

How it measures up in Monaca 15061

The dot is this home. The mark in the middle is the typical home in Monaca 15061.

Estimated value$259,098
CheaperTypical $213,011Pricier

Pricier than 69% of homes nearby

Price per ft²$187
CheaperTypical $162Pricier

Pricier than 71% of homes nearby

Living area1,386 ft²
SmallerTypical 1,340 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.17 ac
SmallerTypical 0.31 acBigger

Bigger than 27% of homes nearby

Year built1972
OlderTypical 1958Newer

Newer than 68% of homes nearby

How 643 Alexander Ave ranks against every home in each area.
MeasureThis homeMonaca 15061Beaver County
Estimated valuepricier than$259,09869% of homes68% of homes
Price per ft²pricier than$18771% of homes71% of homes
Living areabigger than1,386 ft²54% of homes52% of homes
Lot sizebigger than0.17 ac27% of homes30% of homes
Year builtnewer than197268% of homes71% of homes

About 643 Alexander Ave

How much is 643 Alexander Ave, Monaca, PA worth?

The TopHap Estimate for 643 Alexander Ave, Monaca, PA is $259,098 as of Aug 30, 2026. The likely range is $233,464 to $284,732. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Alexander Ave, Monaca, PA last sell?

643 Alexander Ave, Monaca, PA last sold on Nov 23, 1990, according to the county's recorded deed.

How big is 643 Alexander Ave, Monaca, PA?

643 Alexander Ave, Monaca, PA has 3 bedrooms, 2 bathrooms, 1,386 square feet of living space and a 0.17-acre lot.

When was 643 Alexander Ave, Monaca, PA built?

643 Alexander Ave, Monaca, PA was built in 1972, making it 54 years old. It is a ranch home. The building has 1 story.

What schools serve 643 Alexander Ave, Monaca, PA?

643 Alexander Ave, Monaca, PA is assigned to Central Valley Middle School (middle), rated C; Central Valley High School (high), rated A-; Center Grange Primary School (elementary). All sit in Central Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 Alexander Ave, Monaca, PA compare to other homes in Monaca 15061?

Among the 4,738 homes in Monaca 15061, it is worth more than 69% of them ($259,098 against a typical $213,011), its price per square foot is higher than 71% of them ($187 against a typical $162), it is bigger than 54% of them (1,386 ft² against a typical 1,340 ft²), its lot is bigger than 27% of them (0.17 ac against a typical 0.31 ac) and it is newer than 68% of them (1972 against a typical 1958). Measured against all of Beaver County, it is worth more than 68% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 643 Alexander Ave, Monaca, PA?

The 2025 property tax bill for 643 Alexander Ave, Monaca, PA was $8,873. The county assessed it at $111,700.

More homes on Alexander Ave

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Assigned schools

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